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ACQUISTION AND DIVESTITURES - Narrative (Details) - USD ($) $ in Thousands |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 10, 2025 | Dec. 02, 2024 | Mar. 22, 2024 | Apr. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024 | May 01, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total gain on the disposition of Summit Utica |  |  |  |  | $ (539) | $ (1,672) |  | $ (582) | $ 82,338 |  |
Gain on sale of equity method investment |  |  |  |  | 0 | 0 |  | 0 | 126,261 |  |
Proceeds from asset sale |  |  |  |  |  |  |  | 0 | 4,400 |  |
Long-lived asset impairments |  |  |  |  | $ 0 | $ 0 |  | $ 71 | 67,936 |  |
OGC | Summit Utica |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership interest (as a percent) |  |  | 36.00% |  |  |  |  |  |  |  |
OCC | Summit Utica |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership interest (as a percent) |  |  | 38.00% |  |  |  |  |  |  |  |
Disposal, not discontinued operations |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net book value of assets and liabilities divested |  |  |  |  |  |  | $ 143,000 |  |  |  |
Long-lived asset impairments |  |  |  |  |  |  | 68,000 |  |  |  |
Disposal, not discontinued operations | Summit Utica |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash consideration |  |  | $ 625,000 |  |  |  |  |  |  |  |
Total gain on the disposition of Summit Utica |  |  |  |  |  |  | 212,500 |  | 85,600 |  |
Proceeds from divestiture of businesses |  |  |  |  |  |  | 625,000 |  |  |  |
Net book value of assets and liabilities divested |  |  |  |  |  |  | $ 412,500 |  |  |  |
Gain on sale of equity method investment |  |  | $ 126,300 |  |  |  |  |  | $ 126,300 |  |
Disposal, not discontinued operations | Mountaineer Midstream Company, LLC |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash consideration |  |  |  |  |  |  |  |  |  |  | $ 70,000
Proceeds from asset sale |  |  |  | $ 5,000 |  |  |  |  |  |  |
Moonrise Midstream, LLC |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total consideration paid for Moonrise | $ 90,000 |  |  |  |  |  |  |  |  |  |
Cash paid to acquire investment | $ 70,000 |  |  |  |  |  |  |  |  |  |
Equity consideration issued (in shares) | 462,265 |  |  |  |  |  |  |  |  |  |
Weighted average amortization period (in years) | 30 years |  |  |  |  |  |  |  |  |  |
Tall Oak |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash paid to acquire investment |  |  |  |  |  |  |  |  |  | $ 800 |
Tall Oak | Business Contribution Agreement | Tall Oak Parent |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total consideration paid for Moonrise |  | $ 25,000 |  |  |  |  |  |  |  |  |
Tall Oak | Partnership Interest | Business Contribution Agreement |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total consideration paid for Moonrise |  | 425,000 |  |  |  |  |  |  |  |  |
Cash paid to acquire investment |  | $ 155,000 |  |  |  |  |  |  |  |  |
Equity consideration issued (in shares) |  | 7,471,008 |  |  |  |  |  |  |  |  |
Tall Oak | Common Class B | Business Contribution Agreement |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity consideration issued (in shares) |  | 7,471,008 |  |  |  |  |  |  |  |  |

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